Lingyuan Rixing Mining, China National Gold Group

Mine Type: Gold mine

Project Name: China Gold – Lingyuan Rixing

Construction period: 2024

Filling capacity: 37.5 m³/h (daily processing capacity: 500 t)

Case Description: Complete set of filling system equipment, 8-meter vertical sand silo.

Jinchangyu Mining, China National Gold Group

Mine Type: Gold mine

Project Name: China Gold – Hebei Jinchangyu

Construction period: 2023

Filling capacity: 90 m³/h (daily processing capacity: 1,000 t)

Case description: Full-tailings cemented backfilling is employed, with a tailings slurry concentration of 65–75% and a maximum discharge pressure of 16 MPa.

Guizhou Jinlin Chemical Co., Ltd.

Mine Type: Phosphate rock

Project Name: Guizhou Jinlin – Skyscraper Rush

Construction period: 2024

Filling capacity: 130 m³/h (daily processing capacity: 3,000 t)

Case description: Using the dihydrate phosphogypsum cemented backfilling process, the maximum required transport distance can reach 5.3 km.

CNOOC Hubei Dayukou Chemical Co., Ltd.

Mine Type: Phosphate rock

Project Name: CNOOC–Hubei Dayukou

Construction period: 2024

Filling capacity: 130 m³/h (daily processing capacity: 3,000 t)

Case description: Using the dihydrate phosphogypsum cemented backfilling process, the maximum required transport distance can reach 5.3 km.

Guizhou Batian Ecological Co., Ltd.

Mine Type: Phosphate rock

Project Name: Guizhou Batian Ecological Co., Ltd. Xiaogaozhai Phosphorus Tailings Filling Project EPC

Construction date: 2022

Filling capacity: 250 m/h

Case description: tailings plus phosphogypsum paste cementation filling, conveying distance of 3000 meters.

Yunnan Haolong Group

Mine Type: Lead-zinc ore

Project Name: Lehong Lead-zinc Mine Filling System EPC General Contracting Project

Construction time: 2019

Filling capacity: 80 m/h

Case description: full tailings paste cementation filling, conveying distance 2000m, lift 150m

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